149718981 is an odd 9-digits composite number following 149718980
and preceding 149718982 . In scientific notation, it is written as 1.49718981 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 99812652 positive integers (up to 149718981) that are relatively prime to 149718981.
149718981 has 4 divisors, whose sum is 199625312
The reverse of 149718981 is 189817941
Previous prime number is 3
Is Prime? no Number parity odd Number length 9 Sum of Digits 48 Digital Root 3
Name
one hundred forty-nine million seven hundred eighteen thousand nine hundred eighty-one
Scientific notation
1.49718981 × 10^8
Engineering notation
1.49718981 × 10^6
Prime Factorization
3 × 49906327
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
149718981 Product of the distinct prime numbers
The prime factorization of 149718981 is 3 × 49906327.
Since it has a total of 2 prime factors.
2 , 8 , 56 , 41 , 413 , 419 , 4185 , 7924 , 33122 , 40051 , 398061 , 353937 , 8527759 , 9875716 , 44837123 , 6352419 , 1088965 , 87472444 , 9483858634 , 8438769327
n×2
299437962
n×3
449156943
n×4
598875924
n×5
748594905
n÷2
74859490.5
n÷3
49906327
n÷3
37429745.25
n÷5
29943796.2
n2
22415773271678361
n3
3.3560667325627E+24
n4
5.0246689136729E+32
n5
7.5228830961748E+40
2 √n12235.970782901
3 √n530.99726911183
4 √n110.61632240723
5 √n43.157409899289
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-149718980 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
1 Returns the nth root of the product of n divisors
H Harmonic Mean
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 149718981 can be divided by 4 positive divisors.
The sum of these divisors (counting 149718981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111011001000011111000101
3
Ternary
101102201111211110
4
Quaternary
20323020133011
5
Quinary
301312001411
6
Senary
22504555233
8
Octal
1073103705
10
Decimal
149718981
12
Duodecimal
42182b19
16
Hexadecimal
8ec87c5
20
Vigesimal
26feh91
36
Base36
2h4zwl
md5
4ebb9a5231748477442274b5944d5a2f
sha1
0564a154acf709c83a682b23f0b3fcf8e32eea05
sha256
68b55c77715a12dc0df9368495ac3d05078c97951c45c4d16c5226368b127758
sha512
86746b87c77e835dccfa185d3e6e3f714eb6b1b745e62e84f434d5379b9f83c7e5c8bc2443c050f7a15e49662b9435851de83afe798b1de3f6d8f54c0b567e1c
ripemd-160
6468425ec3232e955a6c7e23799062467bd29b92
Diameter
299437962
Circumference
940712101.6251
Area
7.0421228634839E+16
Volume
1.4057859455968E+25
Surface area
2.8168491453936E+17
Circumference
940712101.6251
Perimeter
598875924
Area
22415773271678361
Diagonal
211734613.47488
Surface area
134494639630070166
Volume
3.3560667325627E+24
Space diagonal
259320881.94944
Perimeter
449156943
Area
9.7063145493728E+15
Altitude
129660440.97472
Surface area
9.7063145493728E+15
Volume
3.9551625745161E+23
Height
70578204.491627